Home / 56,430.12-84,684.13-19,494.12

Finding the Fourth Proportional to 56,430.12, 84,684.13 and 19,494.12

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Solution

The fourth proportional to 56,430.12, 84,684.13 and 19,494.12 is: 29,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430.12 : 84,684.13 = 19,494.12 : x
  2. Step 2: Convert to fraction form
    56,430.12/84,684.13 = 19,494.12/x
  3. Step 3: Cross multiply
    56,430.12x = 84,684.13 × 19,494.12
  4. Step 4: Simplify right side
    56,430.12x = 1,650,842,592.32
  5. Step 5: Solve for x
    x = 1,650,842,592.32/56,430.12
  6. Step 6: Final answer
    x = 29,254.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.